100% New OEM Replacement Unit
Fits Chevy small and big block engines. These are brand-new OE replacement harmonic balancers. Affordable pricing eliminates the need to clean your old stock balancer. Enhance your balancer by adding the patented balancer covers.
  • Fits Small Block Chevy 350 Internally Balanced Engines with a 6-3/4 Inch Balancer
  • Non-SFI Approved
  • Made from Nodular Iron and Features a Natural Finish
  • Includes Degree Markings
  • 100% New OEM Replacement Unit
  • 100% New Components
  • Not Re-man or Refurbished

Information:

Engine Harmonic Balancer; Fits Small Block Chevy 350 Engine; 6-3/4 In. Diameter

Application Summary:

Year Make/Model
1968 Checker Marathon
1968 Chevrolet Bel Air
1968 Chevrolet Biscayne
1987-1994 Chevrolet Blazer
1984-1986 Chevrolet C10
1968 Chevrolet C10 Pickup
1968 Chevrolet C10 Suburban
1984-1986 Chevrolet C10 Suburban
1988-1995 Chevrolet C1500
1992-1995 Chevrolet C1500 Suburban
1984-1986 Chevrolet C20
1968 Chevrolet C20 Pickup
1984-1986 Chevrolet C20 Suburban
1988-1995 Chevrolet C2500
1992-1995 Chevrolet C2500 Suburban
1984-1986 Chevrolet C30
1968 Chevrolet C30 Pickup
1988-1995 Chevrolet C3500
1991-1995 Chevrolet C3500HD
1968 Chevrolet Camaro
1987-1992 Chevrolet Camaro
1968 Chevrolet Caprice
1985-1988 Chevrolet Caprice
1965 Chevrolet Chevelle
1967-1968 Chevrolet Chevelle
1965-1966 Chevrolet Chevy II
1968 Chevrolet Corvette
1985-1991 Chevrolet Corvette
1968 Chevrolet El Camino
1984-1993 Chevrolet G10
1984-1995 Chevrolet G20
1984-1995 Chevrolet G30
1993-1995 Chevrolet GP3500
1964-1968 Chevrolet Impala
1984-1985 Chevrolet Impala
1984-1986 Chevrolet K10
1968 Chevrolet K10 Pickup
1968 Chevrolet K10 Suburban
1984-1986 Chevrolet K10 Suburban
1988-1995 Chevrolet K1500
1992-1995 Chevrolet K1500 Suburban
1984-1986 Chevrolet K20
1968 Chevrolet K20 Pickup
1968 Chevrolet K20 Suburban
1984-1986 Chevrolet K20 Suburban
1988-1995 Chevrolet K2500
1992-1995 Chevrolet K2500 Suburban
1984-1986 Chevrolet K30
1968 Chevrolet K30 Pickup
1988-1995 Chevrolet K3500
1984-1986 Chevrolet K5 Blazer
1984-1989 Chevrolet P20
1984-1995 Chevrolet P30
1987 Chevrolet R10
1987-1988 Chevrolet R10 Suburban
1989-1991 Chevrolet R1500 Suburban
1987-1988 Chevrolet R20
1987-1988 Chevrolet R20 Suburban
1989 Chevrolet R2500
1989-1991 Chevrolet R2500 Suburban
1987-1988 Chevrolet R30
1989-1991 Chevrolet R3500
1995 Chevrolet Tahoe
1987 Chevrolet V10
1987-1988 Chevrolet V10 Suburban
1989-1991 Chevrolet V1500 Suburban
1987 Chevrolet V20
1987-1988 Chevrolet V20 Suburban
1989-1991 Chevrolet V2500 Suburban
1987-1988 Chevrolet V30
1989-1991 Chevrolet V3500
Attributes
Applications Chevy Small Block 350 Engines 1955 to 1986, Chevy Small Block 350 Engines 1955 to 1986
California Proposition 65 No
Category Harmonic Balancer
Color Natural Finish, Natural Finish
Country of Origin (Primary) MX
Diameter 6 3/4-in., 6 3/4-in.
Emission Code Legal US
Engine Family Range 1 Chevy Small Block 350 Engines
Feature/Benefit Fits Chevy small and big block engines., Fits Chevy small and big block engines., These are brand-new OE replacement harmonic balancers., Affordable pricing eliminates the need to clean your old stock balancer., Enhance your balancer by adding the patented balancer covers.
Finish Natural, Natural
GTIN 00037995365098
Harmonized Tariff Code (Schedule B) 8409914000
Hazardous Material Code N
Internally/Externally Balanced Internal, Internal
Life Cycle Status Code Available to Order
Material Nodular Iron, Nodular Iron
NAFTA Preference Criterion Code B
RPM Limit 6000 RPM
SDR Required Flag N
Thickness 1 5/8 inch
Warranty Time 1

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PROFORM 66509 Engine Harmonic Balancer; Fits Small Block Chevy 350 Engine; 6-3/4 In. Diameter

Product Information

  • Brand: PROFORM
  • Product Number: 66509

Vehicle Fitment